NPPES file of Aug 9, 2026

Sangeeta S. Nadkarni, M.D.

Nephrology Physician · Lawrence, MA

Sangeeta S. Nadkarni, M.D. is a nephrology physician with a practice address in Lawrence, Massachusetts, and NPI 1245332667, issued on Sep 5, 2006. Check the license (Massachusetts 226820, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245332667
Name
Sangeeta S. Nadkarni
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
226820 MA
Self-reported in NPPES; status is on the state search
Practice location
500 Merrimack St, Lawrence, MA 01843
Phone
(978) 557-8900
Enumerated
Sep 5, 2006
Record last updated
Nov 20, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(978) 557-8867
Medicaid ID
30224106 NH
Medicare enrollment
Enrolled (PECOS I20061211000347); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 500 Merrimack St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Barbara Berman, APRNFamily Nurse Practitioner1508903246
  2. Eileen Bernau, CNPPediatric Nurse Practitioner1881126043
  3. Bruce Birkby, M.D.Allergy & Immunology Physician1932103298
  4. Warren Bodine, D.O.Family Medicine Physician1851599666
  5. Alexandra Chaisson, FNP-BCFamily Nurse Practitioner1467165084
  6. James Cheverie, M.D.Family Medicine Physician1437117389

Verify Sangeeta S. Nadkarni in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 226820
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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25% more Medicare Part D claims than the average nephrology physician in 2024

1,830 Medicare Part D claims for 364 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Sangeeta Nadkarni1,830
  2. Specialty average1,465

Most prescribed

  1. Lisinopril214 claims
  2. Furosemide212 claims
  3. Calcitriol173 claims
  4. Jardiance168 claims
  5. Losartan Potassium154 claims
  6. Amlodipine Besylate127 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $104.04

5 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sangeeta Nadkarni$104.04
  2. Specialty average$3,091.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Mass General Brigham Community Physicians IncLawrence, MA
  2. Mass General Brigham Medical Group Northern Massachusetts IncDanvers, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sangeeta S. Nadkarni among 417 nephrology physician records in Massachusetts

Sangeeta S. Nadkarni, M.D. is one of 417 nephrology physician records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.

  • NPI issued2006 · 16% of these records are older, 52% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2000 · median 2001 among the 295 with a school on file
  • Record last updated2012 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Massachusetts

There are 417 nephrology physician records in Massachusetts.

The 8 nephrology physician records with the nearest ZIP codes

  1. Sally Hood, M.D.Methuen, MA 018441568433381
  2. Durga Rao, M.D.Methuen, MA 018441770554370
  3. Eduardo Haddad, MDNorth Andover, MA 018451124113022
  4. Michael Landman, M.D.Lawrence, MA 018411013039601
  5. Amin Paulino, MDLawrence, MA 018411699022160
  6. Rania Salam, MDNorth Andover, MA 018451053932780
  7. Emily Dulude, M.D.Haverhill, MA 018301477661791
  8. Sebastian Sepulveda, MDChelmsford, MA 018241558343129

Common questions

What is Sangeeta S. Nadkarni, M.D.'s NPI number?

Sangeeta S. Nadkarni, M.D.'s National Provider Identifier (NPI) is 1245332667, issued on Sep 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sangeeta S. Nadkarni, M.D. located?

The NPPES record lists a practice address at 500 Merrimack St, Lawrence, MA, 01843. Phone: (978) 557-8900. Providers update this record themselves, so call before visiting.

How can I verify Sangeeta S. Nadkarni, M.D.'s license?

NPPES lists Massachusetts license number 226820, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sangeeta S. Nadkarni, M.D. prescribe under Medicare Part D?

In 2024, Sangeeta S. Nadkarni, M.D. had 1,830 Medicare Part D claims for 364 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.